Murakami's partner Mayumi has gone missing. He fears that she could have run off with another guy or gotten into difficulty by involving by herself with a 'telephone relationship club', a solution which hooks up strangers trying to find easy, anonymous sex, no concerns asked.

• Akira Yoshino
• Tarô Suwa
• Takeshi Itō
• Kazuhiro Sano
• Syoko Kudo
• Yohta Kawase
• Setsuhiko Kobayashi
• Yukiko Izumi